baber/WOPTO huggingface dataset:
Patent CA-1278647-C (CA)
Inventor: EDWARDS WARD R
IPC: C08J3/00
Filed: 1986-08-13
Granted: 1991-01-02
Abstract: ABSTRACT       Process for reducing development of off-flavors in comestibles thermally processed in polymeric containers where the comestible is in contact with a container wall which is a polymer containing at least ethylene as a monomer by pretreatment at an elevated temperature of the polymer used to form the container wall until the amount of the precursors of the off-flavor producing components of the polymer is substantially reduced.
Patent CA-1276781-C (CA)
Title: Positioning optical components and waveguides
Inventor: STANLEY IAN W
IPC: G02B26/04
Filed: 1986-10-17
Granted: 1990-11-27
Abstract: POSITIONING OPTICAL COMPONENTS AND WAVEGUIDES                    ABSTRACT A method of positioning an optical component such as a laser diode (36) in alignment with an optical waveguide (30) comprises forming an elongate V-shaped groove  (29) and a depression (31) in a substrate (28).  A laser diode (3)  is then  mounted  in  the  depression  (31)  and  is accurately located  therein.  An optical  fibre  (30)  is mounted in the groove  (29).  The relative positions of the depression (31) and the waveguide (30) are such that in use an optical beam may be coupled between the optical component and the waveguide.
Patent CA-1285124-C (CA)
Inventor: ABBOTT EDWARD H
IPC: C04B35/26
Filed: 1986-12-01
Granted: 1991-06-25
Abstract: Abstract of the Invention In a method of forming a 360° ceramic permanent magnet by utilizing a hot isostatic pressing technique on a ceramic preform material cylindrically formed and placed inside a deformable metal housing having an inner diameter that is approximately the same but only slightly larger than the outer diameter of the preform.  A solid steel mandrel is provided in the center   diameter of the hollow cylindrical perform.  Crystal alignment and densification of the ceramic material is achieved by using the hot isostatic pressing technique applied to the outside of the housing, preform and mandrel assembly.
Patent CA-1303273-C (CA)
Title: Optimum formulation regions of reinforced thermoset composites
Inventor: CORDOVA DAVID S
IPC: C08K7/02
Filed: 1986-12-19
Granted: 1992-06-09
Abstract: ABSTRACT         This invention relates to optimum formulation regions of reinforced thermosetting resin composites incorporating substantially increased filler loadings which have been found to retain the impact strength of formulation regions with substantially less filler loadings. The reinforced thermosetting resin composite of this invention comprises (a)  15 to 23 weight percent resin matrix selected from the group consisting of polyester and epoxy, (b)  5 to 25 equivalent weight percent fiber reinforcement, said fiber reinforcement comprising 0 to 80 volume percent glass fiber and 100 to 20 volume percent high tenacity reinforcing organic fiber selected from the group consisting of polyester and polyamide, and (c)  80 to 52 weight percent inert filler.
Patent CA-1284377-C (CA)
Title: Modular structural disc drive assembly
Inventor: WALSH EDWARD
IPC: G11B25/04
Filed: 1987-01-23
Granted: 1991-05-21
Abstract: Abstract A  modular rotary disc drive or disc  file  having three  major  subassemblies.   These are a  rotary  actuator structure  subassembly  having  an actuator  housing  and  a pivotally  mounted actuator member in said housing,  an arm-stack  subassembly including the transducer heads and  their electric circuits including the plug terminal therefor,  and a magnetic driver subassembly having a magnetic housing  and a movable coil assembly.         The  armstack subassembly is attached and  removed from  the actuator member without removing the actuator mem-ber from the actuator housing.  The magnetic housing of the magnetic  driver  subassembly  is secured  to  the  actuator housing  and  its  moving coil assembly is  secured  to  the actuator  member.  This magnetic driver subassembly is  also attached and removed as a unit without removing the actuator member from the actuator housing.
Patent CA-1277104-C (CA)
Title: Sealed neck support for shampoo bowls
Inventor: BASTIEN ERNEST J
IPC: A45D19/06
Filed: 1987-02-23
Granted: 1990-12-04
Abstract: Sealed Neck Support for Shampoo Bowls Abstract of the Disclosure A neck support is installable in the wall indentation of a hairdresser's shampoo bowl or the like and defines a notch for receiving and cushioning the neck of a person whose hair is to be shampooed or otherwise administered to.  A membrane extends across the notch to form a fluid leakage barrier, the membrane being an elastic material which distends to the extent necessary to enable entry of the person's neck into the notch and then remains in tight contact with the back and sides of the neck.
Patent CA-1307748-C (CA)
Title: Rough cut solids separator
Inventor: PFEIFFER ROBERT W
IPC: B01D45/06
Filed: 1987-04-10
Granted: 1992-09-22
Abstract: ABSTRACT OF THE DISCLOSURE           A gas-solids separator is designed to effect rapid and efficient removal of particulate solids from a mixed phase stream of solids and gas.  The separator comprises a mixed phase inlet; a solids phase outlet; a frusto-conical chamber, having substantially conical walls tapering downwardly and outwardly and a bottom wall connected to the conical walls tapering downwardly and inwardly wherein the upper end of said chamber communicates with said mixed phase inlet and the bottom wall communicates with said solids phase outlet; and means in the frusto-conical chamber for conveying substantially solids free gas separated from the mixed stream of solids and gas through the conical walls.
Patent CA-1282895-C (CA)
Title: Pressure sensitive adhesive release liner and fluorosilicone compounds, compositions and method therefor
Inventor: BROWN PAUL L
IPC: C09J7/02
Filed: 1987-05-04
Granted: 1991-04-09
Abstract: PRESSURE SENSITIVE ADHESIVE RELEASE LINER AND FLUOROSILICONE COMPOUNDS, COMPOSITIONS AND METHOD THEREFOR                          ABSTRACT     Pressure sensitive adhesives can be protected with a releasable liner having a cured fluoroalkyl silicone coating which contains as little as two percent fluoroalkyl-substituted siloxane units.  In a preferred embodiment of this invention, silicone pressure sensitive adhesives can be solvent-cast, and even cured, directly onto the release surface of the liner and can be removed from the protective liner with a force of no more than 400 grams per inch.  The fluoroalkyl silicone copolymers of this invention are prepared by a process which involves the preparation of a cohydrolyzate of fluoroalkyl-containing and fluoroalkyl-free siloxane units, followed by further polymerization of the cohydrolyzate with other siloxane units.
Patent CA-1282039-C (CA)
Title: Motor vehicle towing aid
Inventor: BAINES RONALD J
IPC: B60S13/00
Filed: 1987-06-09
Granted: 1991-03-26
Abstract: A B S T R A C T            A motor  vehicle towing aid in which the vehicle to be towed can be rolled directly onto a lowered frame assembly which also includes a turntable like assembly relative to ground engaging wheel which frame assembly can afterwards be lifted relative to the wheels for towing of the motor vehicle.
Patent CA-1288249-C (CA)
Title: Electric timepiece
Inventor: ZANG KLAUS D
IPC: G04G9/04
Filed: 1987-08-10
Granted: 1991-09-03
Abstract: ABSTRACT           An electric timepiece having a square dial with corners at the twelve, three, six and nine o'clock positions has a first array of twelve light sources at one to twelve o'clock positions, a second array of four light sources which are inwardly adjacent the light sources of the first array at the twelve, three, six and nine o'clock positions, and a centrally located light source.  The color and/or intensity of radiation issuing from the centrally located light source changes at midnight and at noon, and all of the remaining light sources are used to indicate minutes.  The light sources of the second array indicate single-minute periods, and the light sources of the first array indicate five-minute periods.  In addition, the light sources of the first array are used to indicate hours in colors or hues other than those used to denote five-minute periods.
Patent CA-1286729-C (CA)
Inventor: ALGER TERRY W
IPC: B01D5/00
Filed: 1987-09-14
Granted: 1991-07-23
Abstract: THERMAL ELECTRIC VAPOR TRAP ARRANGEMENT AND METHOD     ABSTRACT OF THE DISCLOSURE            A technique for trapping vapor within a section of a tube is disclosed herein. This technique utilizes a conventional, readily providable thermal electric device having a hot side and a cold side and means for powering the device to accomplish this.  The cold side of this device is positioned  sufficiently close to a predetermined section of the tube and is made sufficiently cold so that any condensable vapor passing through the predetermined tube section is condensed  and trapped, preferably within the predetermined tube section itself.
Patent CA-1323032-C (CA)
Inventor: BOD PETER
IPC: C07D277/50
Filed: 1987-10-21
Granted: 1993-10-12
Abstract: Abstract The invention relates to a process for preparing 2-guanidinothiazole derivatives of the general formula (I)     (I) wherein Y stands for the group of the formula (II)                     (II) or (III) -CH2-CH2CN               (III) as well as their salts, which comprises a) cyclizing amidinothiourea of the formula (IV) (IV)   with an 1,3-dihaloacetone in a solvent preferably in acetone and            in the presence of an iodide catalyst soluble in said solvent, preferably sodium iodide and reacting, without isolation, the thus obtained halogen derivative of the formula (V)   (V) wherein X represents halogen, with thiourea in the presence of water, to give the compound of the formula (I), wherein Y means the group of the formula (II), b1) cyclizing amidinothiourea of the formula (IV) with an 1,3-dihaloacetone in a solvent, preferably in acetone  and in the presence of an iodide catalyst soluble in said solvent, preferably sodium iodide, then reacting without isolation the thus obtained halogen derivative of the formula (V), wherein X is halogen, with thiourea in the presence of water and then S-cyanoethylating with acrylonitrile in an alkaline aqueous-alkanolic medium to give the compound of the formula (I), wherein Y stands for the group of the formula (III), b2) S-cyanoethylating as starting substance the compound of the formula (I), wherein Y means a group of the formula (II), with acrylonitrile in an alkaline aqueous-alkanolic medium to obtain the compound of the formula (I), wherein Y means the group of the formula (III).         The compounds of the invention are valuable intermediates in the preparation of pharmaceutics of antiulcer effectiveness.
Patent CA-1276066-C (CA)
Title: Process and device for shirring tubular casings
Inventor: REGNER RICHARD
IPC: A22C13/02
Filed: 1987-10-23
Granted: 1990-11-13
Abstract: Abstract of the Disclosure A process is disclosed for shirring tubular casings of an elastically and plastically deformable material, in particular sausage casings.  The casing is conveyed in the direction of its longitudinal axis and inflated with a supporting gas.  A shirring tool lays the casing down in folds and tightly compresses the folds against a counterforce to form a stick.  In addition,  in order to enhance the shirring density and the breaking strength of the stick, the casing is expanded  before  the  stirring  element  in  the circumferential direction,  preferably by 5 to 15%. It is particularly advantageous to cause the shirring element  to  act  immediately  after  the  expansion, before  the  elastic  restoration  is  complete.    A shirring device suitable for carrying out the process is also disclosed, which has a stretching body on the shirring mandrel before the shirring tool.
Patent CA-1277051-C (CA)
Title: Methods of and system for providing substantially error-free transmitted data
Inventor: FRIESEN HAROLD W
IPC: H04B3/32
Filed: 1987-10-27
Granted: 1990-11-27
Abstract: METHODS OF AND SYSTEM FOR PROVIDING SUBSTANTIALLY ERROR-FREE TRANSMITTED DATA            Abstract In a system (20) for transmitting voice and data signals, insulated metallic conductor pairs (44-44) which transmit data signals and insulated metallic conductor pairs (46-46) which are capable of transmitting voice signals are enclosed in  a common sheath system  of a single cable (40).  User pickup of station apparatus (34) during the generation of a ringing voltage on a voice conductor pair  causes that pair to become disturbing and to impart impulse noise to a closely coupled data pair.  The data pair is designated a disturbed pair and the signals transmitted thereby may be affected adversely.  This problem is overcome by providing a circuit (80) comprising in parallel a resistance  and  an  inductance  and  being in series with the station apparatus.  Such an arrangement reduces substantially that frequency content of any disturbing signal which appears on the disturbing pair and which is in the range of the data signal spectrum. This reduces the magnitude of crosstalk between the voice and data pairs and results in substantially error-free transmitted data.
Patent CA-1298710-C (CA)
Title: Rotatable member, replaceable components therefor, and methods of constructing and utilizing same
Inventor: PATTEE JOHN G
IPC: B23P21/00
Filed: 1987-11-20
Granted: 1992-04-14
Abstract: Abstract A rotary lawn mower bar with non-metallic replaceable cutting and sweeping components. The rotary bar has L-shaped retaining arms each of which passes through a central channel in a replaceable component, The replaceable components can either cut vegetation, or can be used for blowing or sweeping purposes.
Patent CA-1290851-C (CA)
Title: Document authentication system
Inventor: TUCKER FRANK D
IPC: G07D7/20
Filed: 1987-11-27
Granted: 1991-10-15
Abstract: DOCUMENT AUTHENTICATION SYSTEM                      A B S T R A C T           A  system  for  authenticating  a  document includes a uniqueness characteristic reader to generate a first identifier for the document.  The identifier is then encrypted and optionally encoded to define an error correction  code.    The  encrypted  identifier  and  the optional error correction code are combined in accord-ance with a predefined format to define a code which is stored on the document itself  (such as on a magnetic stripe).  Authentication of the document is accomplished by reading the code on the  item.   The code is then processed to identify the location and quantity of any erroneous data.   The identified location and quantity information for erroneous data, in conjunction with the optional  error  correction  code,  is then utilized to correct all errors in at least the encrypted identifier portion of the code read from the storage medium.  The resultant encrypted identifier is therefore retrieved from the storage medium on the item without error.  The retrieved  encrypted  identifier  is  then  decrypted  to retrieve the first identifier.  A second item identifier is generated by reading the uniqueness characteristic from the document in the same manner that the first item identifier was generated.  The second item identifier is then compared with the retrieved identifier from the document with the document being authenticated when the retrieved  identifier  compares  with  the  second  item identifier according to a predefined compare criteria.
Patent CA-1280234-C (CA)
Title: Inpact modification of polyphenylene ether-polyamide compositions
Inventor: YATES JOHN B III
IPC: C08L71/02
Filed: 1987-12-22
Granted: 1991-02-12
Abstract: IMPACT MODIFICATION OF POLYPHENYLENE     ETHER-POLYAMIDE COMPOSITIONS                         ABSTRACT         Resinous compositions having excellent impact resistance are obtained by initially blending at least one polyphenylene ether or a blend thereof with at least one polystyrene,  a functionalizing compound such as maleic anhydride or fumaric acid and an unfunctionalized elastomeric olefin copolymer such as an EPDM, and subsequently blending the resulting product with at least one polyamide.   These resin compositions are suitable for molding into plastic parts having a good impact resistance characteristic.
Patent CA-1325610-C (CA)
Inventor: FRASER MALCOLM J
IPC: C12N15/86
Filed: 1988-03-03
Granted: 1993-12-28
Abstract: ABSTRACT The present invention is directed to recombinant baculoviruses which encode fusion polyhedron proteins capable of forming occlusion bodies containing foreign peptides. The recombinant baculoviruses of the invention are formed by insertion into or replacement of regions of the polyhedrin gene that are not essential for occlusion body formation, with foreign DNA fragments by recombinant DNA techniques. The recombinant occlusion bodies produced in accordance with the present invention have uses in vaccine formulations, immunoassays, immobilized enzyme reactions, as biological insecticides, and as expression vectors.
Patent CA-1298624-C (CA)
Inventor: SCHERER RONALD W
IPC: H05B6/10
Filed: 1988-03-30
Granted: 1992-04-07
Abstract: ABSTRACT       An improved electric induction furnace for use in the continuous heat treatment of a running length of coated metal strip moving in a substantially straight path through the furnace includes at least one heating coil extending completely around the path of the strip and extending in closely spaced relation to the opposed surfaces of the strip.  The furnace is mounted on a track for movement transversely of the strip path, and each coil is provided with movable connector doors for opening and closing the continuous loops whereby when the coil is not energized, the connector doors may be disengaged to open the coil and permit the furnace to be moved along its track between a retracted non-use position and an online heat treating position.  The coils are supported for transverse and angular adjustment to accurately align the coils with the strip whereby the opposed surfaces of the strip are substantially equal distant from the heating coils throughout the path through the furnace.
Patent CA-1338984-C (CA)
Title: Process for preparing stable oleaginous compositions
Inventor: WADDOUPS MALCOLM
IPC: C10L1/14
Filed: 1988-05-05
Granted: 1997-03-11
Abstract: According to the present invention, oleaginous compositions having improved stability are provided, wherein high molecular weight ashless dispersants and metal detergents are pre-blended at a temperature of at least 100°C for a period of from l to 10 hours, cooled to at least 85°C and admixed with additional additives, including oil soluble copper antioxidants and zinc dialkyl dithiophosphate antiwear agent.
Patent CA-1335223-C (CA)
Title: Ethylene-vinyl alcohol copolymer composition and multilayered structure utilizing the same
Inventor: YONEZU KIYOSHI
IPC: B32B27/08
Filed: 1988-09-06
Granted: 1995-04-11
Abstract: This invention provides an ethylene-vinyl alcohol copolymer composition having specific flow characteristics in the relationship between the heating time and the extrusion rate measured with a capillary rheometer, and a multilayered structure utilizing the same.  From the EVOH composition according to the present invention, can be obtained a molded article, particularly a multilayered structure, having an excellent appearance.  More particularly, in a continuous melt molding operation over a long period of time, a molded article, particularly a multilayered structure, having an excellent appearance can always be obtained without a deterioration of the appearance with running time.
Patent CA-1308627-C (CA)
Inventor: WIENINGER KLAUS
IPC: B27B17/02
Filed: 1988-09-09
Granted: 1992-10-13
Abstract: Abstract to the Disclosure A guide bar for a motor-driven chain saw is disclosed wherein the guide bar is provided with a center cutout extending in the longitudinal direction of the bar which is filled out with a bonded fiber material made of plastic and reinforced with long fibers.  The guide bar reduces the weight and facilitates manipulation of the chain saw equipped therewith while at the same time providing a high strength and the capacity to take up bending and torsion loads.
Patent CA-1300103-C (CA)
Inventor: MARZULLO JOSEPH H
IPC: B43M3/04
Filed: 1988-10-12
Granted: 1992-05-05
Abstract: Abstract of the Disclosure Apparatus for folding and sealing seriatim a supply of documents into envelopes, each of the documents containing water-activated adhesive on at least one portion thereof. The apparatus comprises a hopper for storing a supply of the documents, means for applying moisture to a portion of the documents, and a pair of folding rollers for imparting a fold to the documents.  The apparatus further includes a buckle chute for stopping the forward progress of the documents and causing the documents to enter the nip of the folding rollers, means mounted on the buckle chute for applying moisture to a interior portion of the documents, a pair of ironing rollers located downstream of the folding rollers for maximizing adhesive contact of the documents and forming the envelopes, and conveying/curing means located downstream of the ironing rollers for holding the envelope together during transport prior to their release for further processing.
Patent CA-1307885-C (CA)
Title: Plastic molded articles with shape memory property
Inventor: KAWAI TATSUYA
IPC: A61F2/06
Filed: 1989-01-24
Granted: 1992-09-29
Abstract: ABSTRACT    Plastic molded articles having characteristic properties of both shape-memory and biodegradability and a process for preparing the same are disclosed.  The molded products consist of homopolymers of lactide or glycolide or copolymers of lactide and glycolide.  The molded articles of this invention are particularly useful for a variety of medical devices.
Patent CA-1294542-C (CA)
Title: Dispositif de transfert de fluide entre le fond sous-marin et la surface
Inventor: MALOBERTI RENE
IPC: E21B17/01
Filed: 1989-02-23
Granted: 1992-01-21
Abstract: La présente divulgation décrit un dispositif de transfert de fluide entre le fond sous-marin et la surface notamment pour la collecte et la remontée de pétrole produit par un gisement sous-marin. Le dispositif comporte au moins une conduite tubulaire flexible s'étendant en chaînette entre un support de surface et un organe intermédiaire communiquant à la conduite sur une partie de sa longueur une configuration courbe de concavité tournée vers le fond, une partie de la conduite entre l'organe intermédiaire et le fond sous-marin étant tendue en étant fixée à un point fixe sur le fond, caractérisé par le fait qu'il comprend un dispositif de retenue d'au moins une zone de la partie inférieure de la conduite, reliés au point fixe, constitué de préférence par un corps mort et agencés pour maintenir en tension la partie de la conduite située entre l'organe intermédiaire et le dispositif de retenue, et pour communiquer à la conduite dans un plan vertical une courbure imposée prédéterminée dont la concavité est dirigée vers la structure, notamment une tête de puits, située sur le fond sous-marin et a partir de laquelle le pétrole doit être remonté.
Patent CA-1312921-C (CA)
Title: Paging receiver having a display
Inventor: UMETSU SHINJIRO
IPC: H01Q1/24
Filed: 1989-03-03
Granted: 1993-01-19
Abstract: ABSTRACT OF THE DISCLOSURE   A paging receiver having a display prevents the gain of an antenna from being lowered despite that a metal frame which fixcs a display in place is located in close proximity to and in parallel with the antenna. A part of the metal frame which is close to the antenna is removed.
Patent CA-1334450-C (CA)
Inventor: NISHIO TAKEYOSHI
IPC: C08K13/02
Filed: 1989-03-28
Granted: 1995-02-14
Abstract: The polypropylene resin composition of the present invention comprises specific proportions of a crystalline ethylene-propylene  block copolymer,  a  hydrogenated  block copolymer,  an  amorphous  ethylene-propylene  copolymer, surface-treated talc,  fibrous magnesium oxysulfate  of granular form and a metal soap.  This resin composition is well balanced in rigidity and impact resistance, has good mar resistance, and can be preferably used in large-sized parts for automobiles,  particularly instrument panels for automobiles.